Update dependency yeoman-generator to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
yeoman-generator	dependencies	major	^1.1.0 -> ^3.0.0	homepage, source

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Release Notes

yeoman/generator

v3.2.0

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Added a new optional syntax to use composeWith:

this.composeWith({
    Generator: require('generator-x'),
    path: require.resolve('generator-x')
})

v3.1.1

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Fix some issues with --force-install not being detected properly from the command line arguments.

v3.1.0

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Add --force-install flag which will cause the generator to throw if the installation phase fail.

v3.0.0

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Maintenance release with a few breaking change that shouldn't impact most users.

Breaking

• mem-fs-editor updated to latest release. A sub-dependency moved from node-glob to fast-glob, so some of the this.fs methods glob options will change.
• Install methods: npmInstall, bowerInstall, yarnInstall and installDependencies do not return promises anymore. This behavior was confusing and a major source of bugs. To handle actions after the install might've run (if user didn't specify --skip-install), use the end run loop phase.
• Renamed runInstall to scheduleInstallTask

New

• For users of the Yeoman API: generator.run() now returns a promise as well as taking a callback (the callback will keep working for the foreseeable future as we need to maintains backward compatibility with older generators)

v2.0.5

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Output more useful information to end user when a command fails or is skipped.

v2.0.4

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• efc52c9 Change options and args order (#​1063)

v2.0.3

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• Update dependencies with security vulnerabilities.

v2.0.2

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• Fix error when the prompt choices options is provided as a function instead of an array. (Drawback: this will turn off Yeoman reuse of the previously provided answer)

v2.0.1

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• Bump dependencies (including security patch on debug)

v2.0.0

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This release fix a few bugs and focus on modernizing our codebase to ES6 style.

Breaking changes

• Generator.extend() is replaced in favor of class extends Generator {}
• Generator#github.username() now returns a promise instead of taking a callback
• Install functions now returns promises (installDependencies, runInstall, bowerInstall, npmInstall and yarnInstall)

New features

• installDependencies now accept command line arguments as options for each sub-command (#​1014)

    this.installDependencies({
      npm: {saveDev: true},
      bower: {depth: 0}
    });

Fix

• Fix diffing dying on empty files (#​1028)

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